In-vitro dissolution study protocol for various vaginal dosage forms

The vaginal mucosa is well recognized as a route for delivering variety of drugs. Considerable number of anti-fertility drugs have been successfully delivered through vaginal and uterine canals. The goal of this review is to summarize the present clinical state of intravaginal medicines and IUDs, with a prime focus on the available in-vitro dissolution study methods and their importance. At present different vaginal drug delivery systems are available in the market and a few are under clinical trial. The accurate estimation drug release profile of any of such dosage form is primarily depends on the standard dissolution study protocol. The vaginal delivery system is an effective site for local and systemic drug delivery, and a range of innovative formulation strategies are being researched for its development. The concept behind the study is mainly lies on the fact that the standard dissolution protocol may vary based on formulation type, its design and its therapeutic goals.